Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-19 | 255/55-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.45 (748.1) | 31.04 (788.5) | 1.59 (40.4) 5.4% |
| Width inches (mm) | 11.61 (295) | 10.04 (255) | -1.57 (-40) -13.6% |
| Circum. inches (mm) | 92.53 (2350.23) | 97.53 (2477.15) | 5 (126.92) 5.4% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 5.52 (140.25) | 0.3 (7.5) 5.6% |
| Revolutions per mile (km) | 684.76 (425.49) | 649.68 (403.69) | -35.08 (-21.8) -5.1% |
255/55-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.08 mph (33.93 km/h) |
| 25 mph (40.23 km/h) | 26.35 mph (42.41 km/h) |
| 30 mph (48.28 km/h) | 31.62 mph (50.89 km/h) |
| 35 mph (56.33 km/h) | 36.89 mph (59.37 km/h) |
| 40 mph (64.37 km/h) | 42.16 mph (67.85 km/h) |
| 45 mph (72.42 km/h) | 47.43 mph (76.33 km/h) |
| 50 mph (80.47 km/h) | 52.7 mph (84.81 km/h) |
| 55 mph (88.51 km/h) | 57.97 mph (93.29 km/h) |
| 60 mph (96.56 km/h) | 63.24 mph (101.78 km/h) |
| 65 mph (104.61 km/h) | 68.51 mph (110.26 km/h) |
| 70 mph (112.65 km/h) | 73.78 mph (118.74 km/h) |
| 75 mph (120.7 km/h) | 79.05 mph (127.22 km/h) |
| 80 mph (128.75 km/h) | 84.32 mph (135.7 km/h) |
| 85 mph (136.79 km/h) | 89.59 mph (144.18 km/h) |
| 90 mph (144.84 km/h) | 94.86 mph (152.66 km/h) |
| 95 mph (152.89 km/h) | 100.13 mph (161.14 km/h) |
| 100 mph (160.93 km/h) | 105.4 mph (169.63 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1653 | 1921 | 2068 | 2160 | 2258 | 2329 | 2406 | 2498 | 2624 | 2751 | 2892 | 3004 | 3208 | 3433 | 3609 | 3722 | 3785 | 4017 | 4341 | 5044 |
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